What is stored in the domain name server? How does the domain name server provide services?

Domain name server is what people often say DNS The server , This server is critical for Internet access , Once missing DNS Resolution service , All networks will be unusable . So let's take a look at domain name What is stored in the server ? How domain name servers provide services ？

What is stored in the domain name server

The domain name server is actually composed of a domain name resolution system and a domain name service host , Generally speaking, the domain name server needs to store the domain names of all hosts in the network and the corresponding domain names IP Address . Generally, a domain name must correspond to more than one IP Address , but IP The address can have no corresponding domain name . Generally, there will be a master server and a forwarding server in the domain name server , Both servers provide services for users to access the network .

How does a domain name server serve

Many people don't understand how domain name servers provide services , And what is stored in the domain name server ？ In fact, the domain name server mainly stores a tree structure domain name correspondence table , When a user wants to access a web address , The domain name server will query the URL based on the domain name IP Address resolution , Then the forwarding service allows users to pass directly through IP Address to access the website .

What is stored in the domain name server ？ It is a question that many friends want to know , In fact, the domain name server stores a domain name comparison table , Through the IP The correspondence with domain name , To provide parsing services for web visitors , So users don't have to remember complex IP Address , Just enter the URL to access the website .